甲代肼 的英文怎麼說
中文拼音 [jiǎdài]
甲代肼
英文
methyl-substituted hydrazine-
Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation
摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等為主要原料,通過取代、胺化、環化、重氮化和氯磺化等反應制得了除草劑吡嘧磺隆原料藥。Gas chromatographic internal standard method was considered to determine purity for 1, 1 - dimethylhydrine ( udmh ) instead of the standard working curve method
研究了氣相色譜內標法代替常規的標準工作曲線法測定偏二甲肼純度( udmh ) 。
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